XML 91 R78.htm IDEA: XBRL DOCUMENT
v3.19.1

FAIR VALUE MEASUREMENT - Gain (Loss) Recognized in Statements of Operation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | $ (19,230) | $ (272) | $ 27,322
Foreign exchange forward contracts |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | (16,414) | (2,638) | 4,798
Foreign exchange option contracts |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | (2,023) |  |
Warrants |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives |  | 711 | 24,554
Commodity hedge |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives |  |  | 75
Interest rate swaption |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives |  |  | (4,335)
Interest rate swap |  |  |
Effect of derivative instruments on consolidated statements of operations |  |  |
Gain (loss) on change in fair value of derivatives | $ (793) | $ 1,655 | $ 2,230

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=csiq_WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwaptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |